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Posecode MCP

Posecode MCP is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Author, ROM-validate, and render 3D human movement (.posecode) with a shareable playground link. It has 126 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y posecode-mcp.

github.com/posecode-dev/posecode (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Posecode MCP

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "posecode-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ],
      "env": {
        "POSECODE_BASE_URL": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env POSECODE_BASE_URL=your-value --transport stdio posecode-mcp -- npx -y posecode-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "posecode-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ],
      "env": {
        "POSECODE_BASE_URL": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "posecode-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "posecode-mcp"
      ],
      "env": {
        "POSECODE_BASE_URL": "your-value"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
POSECODE_BASE_URLNoPlayground origin used for render permalinks (defaults to https://posecode.org).

About Posecode MCP

An inspectable, editable movement format for animation tools, LLMs, and web products. Like Mermaid for movement: small text documents for describing, validating, and rendering

  • animation
  • dsl
  • dsl-syntax
  • llm
  • llms
  • mcp
  • mcp-server
  • threejs

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FAQ

Posecode MCP FAQ

Still curious? Email info@appsgit.com.

How do I install the Posecode MCP MCP server?

Add the command npx -y posecode-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Posecode MCP free?

The server is open source under the Apache-2.0 license, so running it is free. It does not declare any required API key.

Is Posecode MCP actively maintained?

The most recent commit was on Oct 5, 2026. The latest release is posecode-embed@0.6.0, published Oct 4, 2026. appsgit only lists MCP servers with a commit in the last six months.